Improvement in marine condensers



B. T. BABBITT.

Marine Gondensers Patented September 9, 1873.

MM! MW UNITED STATES yPATENT OFFICE.

BENJAMIN .'l. BABBITT, OFI NEW YORK, N. Y.

IMPROVEMENT IN MARINE CONDENSERS.

Specification forming part of Letters Patent No. 142,665, datedSeptember 9, 1873 application led June 25, 1&73.

To all whom it may concern:

Be it known that I, BENJAMIN T. BABBITT, of the city, county, and Stateof New York, have invented Improvements in Marine Gondensers, of whichthe following .is a specification:

This invention relates to the application of condensers in connectionwith the engines which are employed to drive that class of propellers bywhich the whole of the water displaced by the propulsion of the vesselis transferred through a casing surrounding the propeller. It consistsin the peculiar construction of the condenser itself, whereby it isespecially adapted to the situation above mentioned.

In the accompanying drawing, which represents the invention applied inconnection with a propeller, which is the subject of my application forpatent allowed February 18, 1873, Figure l is a section of the propellerand its water-ways taken transversely to the propeller-wheel, and Fig. 2is a section taken at right angles to the same.

Similar letters of reference indicate corresponding parts in bothfigures.

A and B indicate two water-ways, which extend respectively to the bowand stern of the boat in which the propeller is arranged. C D indicatethe wheel-box, with which the aforesaid passages communicate. This boxis divided into two compartments, G and D, which are separated only by apartition, a, and communicate one with each of the passages A B.V E isthe wheel of a centrifugal pump, which is employed as a means ofpropulsion. It is of a suitable width to fit within either of thecompartments C D, and it is arranged on a sleeve, G, which is locked toits shaft H by a feather. By this means the wheel may be slidlongitudinally on its shaft to move from one compartment to the other.

The wheel may be of any suitable form, so long as there is a centralopening to communicate with one compartment while the wheel is workingin the other. Its shaft H is supported in bearings I I, and is furnishedwith their respective compartments from the other.

Steam inlet-pipes L lead to the upper part of the chambers, andoutlet-pipes P for the Water of condensation lead from the lower portionof the chambers. The water passing through the pump is brought intoimmediate contact with the pipes of thecondenser, and very effectuallycondenses the lsteam contained in them. The water, as fast as formed inthe pipes, on account of their inclined sides, runs back into thechambers and is discharged through the outlet-pipes I).

What I claim as my invention is- The combination ofthe water-box U Dsurrounding the propeller, the steam-chambers J with their inlet andoutlet pipes, and the taper pipes K K, substantially as and for thepurpose herein set forth.

BENJ. T. BABBITT.

Witnesses FRED. HAYNEs, OHAs. N. DAYTON.

